lst = [1, 4, 9, 16, 2, 5, 10, 15]

# new_lst = []
# for i in range(len(lst)):
#     if i > 0:
#         new_lst.append(lst[i - 1] + lst[i])

res = [lst[i - 1] + lst[i] for i in range(len(lst)) if i > 0]

print(res)


# 完成的不错


